Home / 558,895.32-835,767.75-415,072.71

Finding the Fourth Proportional to 558,895.32, 835,767.75 and 415,072.71

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Solution

The fourth proportional to 558,895.32, 835,767.75 and 415,072.71 is: 620,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,895.32 : 835,767.75 = 415,072.71 : x
  2. Step 2: Convert to fraction form
    558,895.32/835,767.75 = 415,072.71/x
  3. Step 3: Cross multiply
    558,895.32x = 835,767.75 × 415,072.71
  4. Step 4: Simplify right side
    558,895.32x = 346,904,384,923.10
  5. Step 5: Solve for x
    x = 346,904,384,923.10/558,895.32
  6. Step 6: Final answer
    x = 620,696.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.